{"uid":"cap_JbOgeouMvLf4IAh2nw97u","slug":"ip-listed-on-sorbs-web-web-dnsbl-sorbs-net-lookup-b290b9bd","name":"IP Listed on SORBS Web (web.dnsbl.sorbs.net) Lookup","description":"Is this IPv4 address listed on sorbs web (web.dnsbl.sorbs.net)? Performs the DNSBL query (reversed octets under web.dnsbl.sorbs.net, via Cloudflare DoH) and returns listed yes/no with the return codes and, where the list publishes one, the reason text. One list, one precise answer. $0.01 per lookup.","url":"https://ip.intel.rallylive.ca/ip/blacklist/sorbs-web?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vI8Oxa7gHK5wD7vKjNiN4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a given IPv4 address is listed on the SORBS Web DNSBL (web.dnsbl.sorbs.net) and returns listed status, return codes, and reason text.","exampleAgentPrompt":"Check if the IP address 203.0.113.42 is listed on the SORBS Web blacklist (web.dnsbl.sorbs.net) and tell me the return code and any reason text.","exampleUseCases":[{"title":"Pre-send email deliverability check","prompt":"Before I send a bulk email campaign from 198.51.100.10, can you check if that IP is on the SORBS Web DNSBL so I know if it's likely to be blocked?"},{"title":"Investigate suspicious inbound traffic","prompt":"I'm seeing unusual traffic from 203.0.113.55 — can you check whether that IP is listed on the SORBS Web blacklist and what the reason is?"},{"title":"Server IP reputation audit","prompt":"We're setting up a new web server at 192.0.2.77 and I need to confirm it's not already on the SORBS Web blocklist before going live."}],"resultDescription":"Returns a yes/no listed status for the queried IPv4 address on web.dnsbl.sorbs.net, along with the DNSBL return codes and, where available, a human-readable reason text explaining why the IP is listed.","failureModes":["Invalid or non-routable IPv4 address provided — returns an error or no result","DNS resolution failure via Cloudflare DoH — may return a network error","IP not listed — returns listed: false with no reason text","Malformed query — missing required IP parameter causes a 400-level error","Temporary SORBS list unavailability — may cause lookup failure or timeout"],"whenToPreferThis":"Choose this endpoint when you need a precise, single-list check specifically against the SORBS Web DNSBL (web.dnsbl.sorbs.net). It is ideal when you want a definitive listed/not-listed answer for that particular list rather than a multi-list aggregated score. Prefer it over generic IP reputation APIs when SORBS Web list membership is the specific criterion (e.g., for email filtering pipelines or web server vetting workflows).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:40:57.780Z","isFirstParty":false,"canonicalSlug":"ip-listed-on-sorbs-web-web-dnsbl-sorbs-net-lookup-b290b9bd"}